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Finding the Fourth Proportional to 539,043.17, 743,866.55 and 297,320.56

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Solution

The fourth proportional to 539,043.17, 743,866.55 and 297,320.56 is: 410,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,043.17 : 743,866.55 = 297,320.56 : x
  2. Step 2: Convert to fraction form
    539,043.17/743,866.55 = 297,320.56/x
  3. Step 3: Cross multiply
    539,043.17x = 743,866.55 × 297,320.56
  4. Step 4: Simplify right side
    539,043.17x = 221,166,818,094.90
  5. Step 5: Solve for x
    x = 221,166,818,094.90/539,043.17
  6. Step 6: Final answer
    x = 410,295.18

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